Exploració per autor "Ribas Vila, Immaculada"
Ara es mostren els items 41-60 de 68
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Main design factors for shared ride-hailing services from a user perspective
Gilibert Junyent, Mireia; Ribas Vila, Immaculada (2019-08-14)
Article
Accés obertShared ride-hailing transportation is discreetly emerging in cities all over the world with the purpose of decongesting cities, offering a similar comfort and convenience of the private car, and this way, filling the gap ... -
Mapping of service deployment use cases and user requirements for an on-demand shared ride-hailing service: MOIA test service case study
Gilibert Junyent, Mireia; Ribas Vila, Immaculada; Maslekar, Nitin; Rosen, Christian; Siebeneich, Alexander (Elsevier Ltd, 2019-01-01)
Article
Accés obertDemand Responsive Transportation (DRT) is currently growing in our cities as shared ride-hailing services operated by private companies, providing a hybrid service between the bus and the taxi. Like DRT, these new on-demand ... -
Methodological elements of supply chain design
Corominas Subias, Albert; Mateo Doll, Manuel; Ribas Vila, Immaculada; Rubio Lacoba, Sergio (Taylor & Francis, 2015-02-23)
Article
Accés obertAfter a discussion of the methodological proposals for supply chain (SC) design published so far, we describe a hierarchical method consisting of five stages, as well as related concepts and tools. The aim of this method, ... -
Models de negoci entorn el vehicle elèctric: reptes i oportunitats
Ribas Vila, Immaculada (2021-07-08)
Article
Accés obertEn els darrers anys les vendes de Vehicles Elèctrics (VE) han experimentat un increment considerable. Si ens fixem només en Europa, les vendes de cotxes elèctric i híbrids endollables, fins a finals d’octubre de 2019, es ... -
Multi-step process for selecting strategic sourcing options when designing supply chains
Ribas Vila, Immaculada; Lusa García, Amaia; Corominas Subias, Albert (OmniaScience, 2021)
Article
Accés obertPurpose: This paper, dedicated to the selection of strategic sourcing options as a part of the supply chain design, aims to provide supply chain designers with guidelines for selecting the best strategic sourcing option ... -
Multi-step process for selecting strategic sourcing options when designing supply chains
Ribas Vila, Immaculada; Lusa García, Amaia; Corominas Subias, Albert (Universitat Politècnica de Catalunya. Departament d'Organització d'Empreses (OE), 2021-05-26)
Article
Accés obertPurpose: This paper, devoted to the selection of strategic sourcing options as a part of the supply chain design, aims to provide supply chain designers with guidelines for selecting the best strategic sourcing option for ... -
New best solutions for the blocking flow shop problem
Companys Pascual, Ramón; Ribas Vila, Immaculada (2011-01-03)
Report de recerca
Accés obert -
New insights on the blocking flow shop problem
Companys Pascual, Ramón; Ribas Vila, Immaculada (2010-02-01)
Report de recerca
Accés obertWe present some results attained with different algorithms for the Fm|block|Cmax problem using as experimental data the well-known Taillard instances. -
New insights on the blocking flow shop problem best solutions updated. Vol.5
Companys Pascual, Ramón; Ribas Vila, Immaculada (2011-02-01)
Report de recerca
Accés obert -
New insights on the blocking flow shop problem best solutions updated. Vol.6
Companys Pascual, Ramón; Ribas Vila, Immaculada (2011-11-11)
Report de recerca
Accés obertThis paper is the 5th updated version of “New insights on the blocking flow shop problem” (January 2010). Each release updates the solutions of precedent releases The values of the 2nd release (February 2010) were reproduced ... -
New insights on the blocking flow shop problem best solutions updated. Vol.7
Companys Pascual, Ramón; Ribas Vila, Immaculada (2012-04-30)
Report de recerca
Accés restringit per decisió de l'autorBest solutions of taillard instances viewed as Fm|Block|Cmax problem instances. -
Newinsights on the blocking flow shop problem best solutions updated
Companys Pascual, Ramón; Ribas Vila, Immaculada (2010-12-13)
Report de recerca
Accés obertupdate of the best solution for Taillard's instances on the blocking flow shop problem -
Note on the behaviour of an improvement heuristic on permutation and blocking flow-shop scheduling
Companys Pascual, Ramón; Ribas Vila, Immaculada; Mateo Doll, Manuel (2010)
Article
Accés restringit per política de l'editorialThis work deals with the permutation flow-shop scheduling problem with and without storage space between stages, where the performance criterion is the makespan. Many proposed procedures to solve these problems have an ... -
On tie-breakers and other exotic Tools for the NEH Algorithm
Companys Pascual, Ramón; Ribas Vila, Immaculada (2010-02-01)
Report de recerca
Accés obertEste es el primero de tres trabajos dedicados a procedimientos de resolución de los problemas flowshop con criterio minimización del makespan, basados en la clásica heurística de Nawaz, Enscore y Ham. Consideramos dos casos ... -
On-demand shared ride-hailing for commuting purposes: comparison of Barcelona and Hanover case studies
Gilibert Junyent, Mireia; Ribas Vila, Immaculada; Rosen, Christian; Siebeneich, Alexander (Elsevier, 2020-03-20)
Article
Accés restringit per política de l'editorialThe increase of urbanization is associated to the rise of urban traffic, leading to the growth of environmental and health problems. Cities all over the world are starting to implement driving restrictions to address these ... -
Planificación estratégica de la capacidad en una empresa del sector alimentación (Strategic multi-site capacity planning for a food industry)
Companys, Ramon; Ribas Vila, Immaculada; Bautista Valhondo, Joaquín (Universidad Politécnica de Madrid (UPM), 2012-12)
Article
Accés obertThis paper describes the proposed procedure for the multi-site capacity planning of a food company that was obliged to move one of its production sites to a new location. Due to this change the managers of the company ... -
Planificación estratégica de la capacidad en una empresa del sector limentación
Companys Pascual, Ramón; Ribas Vila, Immaculada; Bautista Valhondo, Joaquín (2012-10-11)
Article
Accés obertEn esta comunicación se describe el procedimiento propuesto a una empresa del sector de la alimentación para planificar la capacidad productiva de las diferentes plantas aprovechando el cambio de ubicación forzoso de una ... -
Programación de la producción en un sistema flow shop híbrido sin esperas y tiempos de preparación dependientes de la secuencia.
Ribas Vila, Immaculada; Companys Pascual, Ramón (2006-03-01)
Report de recerca
Accés obertSe estudia la programación de la producción en sistemas flow shop híbrido con tiempos de preparación dependientes de la secuencia de piezas a fabricar. Las piezas pueden pertenecer a diferentes familias y las máquinas ... -
Propuesta de procedimientos para mejorar los resultados obtenidos por la heurística NEH en el problema flow shop con bloqueos
Companys Pascual, Ramón; Ribas Vila, Immaculada; Mateo Doll, Manuel (Servicio Editorial de la Universidad del Pais Vasco, 2010)
Text en actes de congrés
Accés obertEn este trabajo se han analizado formas de incrementar la calidad de las soluciones obtenidas por la heurística NEH al aplicarla al problema de programación de piezas en un sistema flow shop con bloqueos con el objetivo ... -
Review and classification of hybrid flow shop scheduling problems from a production system and a solutions procedure perspective
Ribas Vila, Immaculada; Leisten, Rainer; Framiñan, José Manuel (2010-08)
Article
Accés restringit per política de l'editorialIn this paper, an extensive review of recently published papers on hybrid flow shop (HFS) scheduling problems is presented. The papers are classified first according to the HFS characteristics and production limitations ...